Mechanical Engineering

Graduation in BE (Mechanical) Engineering / Naval Architecture with minimum marks of 50% in final year.
Must have minimum 50% marks in English language at 10th or 12th or in Degree Exam.
Must not be more than 28 years old
Should satisfy all health requirements that are necessary to join the merchant navy. To know more about the medical health requirements, read Physical Fitness and Medical Requirements to Join Merchant navy.

Check the link of UEM Kolkata: https://www.shiksha.com/b-tech/course/b-tech-in-mechanical-engineering-university-of-engineering-and-management-kolkata-rajarhat-236604 to know the fees and eligibility criteria for admission to mechanical engineering.

Refer the college predictor:
https://www.shiksha.com/college-predictor

No, this is irrelevant PCM is important for mechanical engineering.

All Government College of engineering in mechanical engineering they are taking Diploma based students in second year and private college are also taking.

If you are doing Diploma in mechanical engineering, then you can take admission in DY Patil college and if you have your Diploma completed then you can take admission in 2nd semester.

If it is government recognized, then there no issue. I find its recognised by the GOI, so there won't be any issue.

There are many processes involved. But, it is possible if both the institutions agree.